Farrell, T. J., & Farrell, M. M. (1997). Public speaking: Skills for success. Irwin.
Lua i Stíl Chicago (17ú heag.)Farrell, Thomas J., agus Maureen M. Farrell. Public Speaking: Skills for Success. Chicago: Irwin, 1997.
Lua MLA (9ú heag.)Farrell, Thomas J., agus Maureen M. Farrell. Public Speaking: Skills for Success. Irwin, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.